在Lubuntu 18.04上运行的输出中apt update，每行的第一个单词是什么意思？它们可以是Hit, Get, Ign, Err, E, N、 和W。第一个词的哪些值值得关注，如何处理？
我认为我的存储库信息很乱，我想了解如何清理它。
谢谢。
$ sudo apt update
Hit:1 http://packages.microsoft.com/repos/vscode stable InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Get:3 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Ign:4 http://dl.google.com/linux/chrome-remote-desktop/deb stable InRelease
Hit:5 http://repo.mysql.com/apt/ubuntu bionic InRelease
Get:6 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Ign:7 http://dl.google.com/linux/chrome/deb stable InRelease
Ign:8 http://ppa.launchpad.net/adrozdoff/emacs/ubuntu bionic InRelease
Get:9 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Hit:10 http://dl.google.com/linux/chrome-remote-desktop/deb stable Release
Hit:11 http://dl.google.com/linux/chrome/deb stable Release
Hit:12 https://dl.winehq.org/wine-builds/ubuntu bionic InRelease
Hit:13 https://download.virtualbox.org/virtualbox/debian bionic InRelease
Hit:14 http://ppa.launchpad.net/ubuntuhandbook1/audacity/ubuntu bionic InRelease
Hit:15 https://repo.skype.com/deb stable InRelease
Hit:16 https://download.docker.com/linux/ubuntu bionic InRelease
Hit:17 https://packages.microsoft.com/ubuntu/18.04/mssql-server-2019 bionic InRelease
Ign:18 https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.0 InRelease
Hit:19 https://packages.microsoft.com/ubuntu/18.04/prod bionic InRelease
Hit:20 https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.0 Release
Hit:21 https://xpra.org bionic InRelease
Ign:22 https://dl.bintray.com/sbt/debian InRelease
Err:23 http://ppa.launchpad.net/adrozdoff/emacs/ubuntu bionic Release
404 Not Found [IP: 91.189.95.83 80]
Get:24 https://dl.bintray.com/sbt/debian Release [815 B]
Get:25 https://cloud.r-project.org/bin/linux/ubuntu bionic-cran35/ InRelease [3,626 B]
Get:26 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [897 kB]
Get:29 http://us.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages [661 kB]
Get:30 http://us.archive.ubuntu.com/ubuntu bionic-updates/main Translation-en [310 kB]
Get:31 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 DEP-11 Metadata [307 kB]
Get:32 http://us.archive.ubuntu.com/ubuntu bionic-updates/main DEP-11 48x48 Icons [73.8 kB]
Get:33 http://us.archive.ubuntu.com/ubuntu bionic-updates/main DEP-11 64x64 Icons [140 kB]
Get:35 http://us.archive.ubuntu.com/ubuntu bionic-updates/restricted amd64 Packages [37.5 kB]
Get:36 http://us.archive.ubuntu.com/ubuntu bionic-updates/restricted Translation-en [9,524 B]
Get:37 http://us.archive.ubuntu.com/ubuntu bionic-updates/universe i386 Packages [1,011 kB]
Get:38 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages [677 kB]
Get:40 http://security.ubuntu.com/ubuntu bionic-security/main i386 Packages [454 kB]
Get:41 http://us.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages [1,060 kB]
Get:42 http://security.ubuntu.com/ubuntu bionic-security/main Translation-en [218 kB]
Get:43 http://security.ubuntu.com/ubuntu bionic-security/main amd64 DEP-11 Metadata [38.5 kB]
Get:44 http://security.ubuntu.com/ubuntu bionic-security/main DEP-11 48x48 Icons [17.6 kB]
Get:45 http://security.ubuntu.com/ubuntu bionic-security/main DEP-11 64x64 Icons [41.5 kB]
Get:46 http://security.ubuntu.com/ubuntu bionic-security/restricted amd64 Packages [28.5 kB]
Get:47 http://security.ubuntu.com/ubuntu bionic-security/restricted Translation-en [7,568 B]
Get:48 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 Packages [653 kB]
Get:49 http://us.archive.ubuntu.com/ubuntu bionic-updates/universe Translation-en [328 kB]
Get:50 http://security.ubuntu.com/ubuntu bionic-security/universe i386 Packages [617 kB]
Get:51 http://us.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata [273 kB]
Get:52 http://us.archive.ubuntu.com/ubuntu bionic-updates/universe DEP-11 48x48 Icons [213 kB]
Get:53 http://security.ubuntu.com/ubuntu bionic-security/universe Translation-en [217 kB]
Get:54 http://us.archive.ubuntu.com/ubuntu bionic-updates/universe DEP-11 64x64 Icons [497 kB]
Get:55 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 DEP-11 Metadata [42.1 kB]
Get:56 http://security.ubuntu.com/ubuntu bionic-security/universe DEP-11 48x48 Icons [16.4 kB]
Get:57 http://security.ubuntu.com/ubuntu bionic-security/universe DEP-11 64x64 Icons [116 kB]
Get:58 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 DEP-11 Metadata [2,464 B]
Get:59 http://us.archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 DEP-11 Metadata [2,468 B]
Get:60 http://us.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata [7,980 B]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/adrozdoff/emacs/ubuntu bionic Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
N: Skipping acquire of configured file 'contrib/binary-i386/Packages' as repository 'https://download.virtualbox.org/virtualbox/debian bionic InRelease' doesn't support architecture 'i386'
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Contents-deb (main/Contents-amd64) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Contents-deb (main/Contents-all) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Contents-deb (main/Contents-amd64) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target Contents-deb (main/Contents-all) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/microsoft-prod.list:1 and /etc/apt/sources.list.d/msprod.list:1
我的自定义部分/etc/apt/sources.list：
deb https://dl.winehq.org/wine-builds/ubuntu/ bionic main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ bionic main
deb https://download.virtualbox.org/virtualbox/debian bionic contrib
deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable
# deb-src [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable
# deb-src [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable
deb [arch=armhf,amd64,arm64] https://packages.microsoft.com/ubuntu/18.04/mssql-server-2019 bionic main
# deb-src [arch=armhf,amd64,arm64] https://packages.microsoft.com/ubuntu/18.04/mssql-server-2019 bionic main
deb https://cloud.r-project.org/bin/linux/ubuntu bionic-cran35/
和
$ ls /etc/apt/sources.list.d/
adrozdoff-ubuntu-emacs-bionic.list google-chrome.list.save msprod.list ubuntuhandbook1-ubuntu-audacity-bionic.list xpra.list.save
adrozdoff-ubuntu-emacs-bionic.list.save microsoft-prod.list mysql.list ubuntuhandbook1-ubuntu-audacity-bionic.list.save
chrome-remote-desktop.list microsoft-prod.list.save sbt.list vscode.list
chrome-remote-desktop.list.save mongodb-org-4.0.list skype-stable.list vscode.list.save
google-chrome.list mongodb-org-4.0.list.save skype-stable.list.save xpra.list
答案1
“Hit”意味着 apt 检查了包列表上的时间戳，这些时间戳匹配且没有更改。
“ign”表示pdf索引文件没有变化；它不会打扰再次下载它。
“获取”表示检查软件包列表上的时间戳，有更改，将被下载。
“Err”表示该存储库发生了一些错误。
在你的情况下，回购协议在 呃无法到达。删除该存储库，然后更新，就不会出现错误。